(19)
(11) EP 3 517 302 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.11.2019 Bulletin 2019/48

(43) Date of publication A2:
31.07.2019 Bulletin 2019/31

(21) Application number: 19153931.1

(22) Date of filing: 28.01.2019
(51) International Patent Classification (IPC): 
B41J 2/165(2006.01)
B41J 2/14(2006.01)
 B41J 11/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 30.01.2018 JP 2018013148
24.01.2019 JP 2019009837

(71) Applicant: Riso Kagaku Corporation
Tokyo 108-8385 (JP)

(72) Inventors:
  • Yamamoto, Hirotaka
    Ibaraki, 305-0818 (JP)
  • Nakata, Ami
    Ibaraki, 305-0818 (JP)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


(54) INK JET PRINTING APPARATUS


(57) The ink jet printing apparatus includes: an ink jet head 31 having a nozzle row in which a plurality of nozzles for ejecting ink are arranged and a nozzle guard 32 with an opening 46 at a portion corresponding to the nozzle row, provided at a position via a gap 40 with respect to an ink ejection surface 36a of the nozzle row; a sheet shaped absorbing member 50 having a size that covers a range of the opening 46 of the nozzle guard 32 ; and a capping unit 66 that presses the absorbing member 50 onto the opening 46 of the nozzle guard 32.







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